3a nut thread thread class left-hand nut thread a 0.615" nut thread a thread length 2.562" overall length 13 nut thread thread quantity per inch navy special project passivate surface treated shouldered unc nut thread thread series
2a nut thread thread class right-hand nut thread 1.280" nut thread thread length 2.500" overall length 16 nut thread thread quantity per inch square drive on nut end located next to shoulder 0.190 in. lg by 0.380 in. square cadmium surface treated shouldered unc nut thread thread series
3a thread class right-hand 0.476" thread length flat countersunk head style 3.240" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.476" thread length flat countersunk head style 3.240" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.313" thread length flat countersunk head style 1.552" grip length 32 thread quantity per inch navy special project aluminum surface treated unjf thread series
3a thread class right-hand 0.350" thread length flat countersunk head style 0.676" grip length 24 thread quantity per inch passivate surface treated unjf thread series
3a thread class right-hand 0.287" thread length oval countersunk head style 0.678" grip length 28 thread quantity per inch passivate surface treated unjf thread series
3a thread class right-hand 0.710" thread length dished hexagon head style 3.365" grip length 20 thread quantity per inch passivate surface treated unjf thread series
3a thread class right-hand 0.553" thread length dished hexagon head style 2.990" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.400" thread length dished hexagon head style 3.990" grip length 28 thread quantity per inch cadmium surface treated unjf thread series